This app offers a vintage-inspired stereo delay effect with advanced modulation, flexible filtering, and precise timing controls. It allows users to sculpt unique echo textures, from warm analog sounds to complex, evolving soundscapes.



250+ iOS apps curated and reviewed
GSDSP Quantum Delay is the household name in gsdsp quantum delay, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $14.99 | 4.8★ (17) | No | No | Aug 2026 | ||
| 2 | Free | 5.0★ (3) | No | No | Jun 2026 | ||
| 3 | $29.99 | 4.7★ (14) | No | No | Aug 2026 | ||
| 4 | $5.99 | 4.8★ (23) | No | No | Sep 2026 | ||
| 5 | $1.99 | 5.0★ (4) | No | No | Sep 2026 | ||
| 6 | $5.99 | 3.9★ (15) | No | No | Aug 2026 | ||
| 7 | $2.99 | 4.8★ (5) | No | No | Aug 2026 | ||
| 8 | $4.99 | — | No | No | May 2026 |



This app offers a vintage-inspired stereo delay effect with advanced modulation, flexible filtering, and precise timing controls. It allows users to sculpt unique echo textures, from warm analog sounds to complex, evolving soundscapes.



This audio effect plugin offers vintage-inspired stereo delay with deep modulation, flexible filtering, and creative timing options. It allows for precise control over echoes, from warm analog sounds to shimmering textures, and integrates an advanced modulation system for unique sound design.



This app offers a unique spectral delay effect with advanced control over thousands of parallel delays using a single curve. It allows for real-time modulation, tempo-syncing, and precise feedback management for expansive sonic exploration.